Unix uses 0xA for a newline character. Windows uses a combination of two characters: 0xD 0xA. 0xD is the carriage return character. ^M happens to be the way vim displays 0xD (0x0D = 13, M is the 13th letter in the English alphabet). You can remove all the ^M characters by running the following: :%s/^M//g … Read more
find . -name ‘*.ear’ -exec ls -lh {} \; just the h extra from jer.drab.org’s reply. saves time converting to MB mentally 😉
If the dir to search is srch_dir then either $ find srch_dir -cmin -60 # change time or $ find srch_dir -mmin -60 # modification time or $ find srch_dir -amin -60 # access time shows files created, modified or accessed in the last hour. correction :ctime is for change node time (unsure though, please … Read more
My ls sorts by name by default. What are you seeing? man ls states: List information about the FILEs (the current directory by default). Sort entries alphabetically if none of -cftuvSUX nor –sort is specified.
here’s an example for bash: usage=”$(basename “$0″) [-h] [-s n] — program to calculate the answer to life, the universe and everything where: -h show this help text -s set the seed value (default: 42)” seed=42 while getopts ‘:hs:’ option; do case “$option” in h) echo “$usage” exit ;; s) seed=$OPTARG ;; 🙂 printf “missing … Read more
you can try stdbuf $ stdbuf –output=L ./a | tee output.txt (big) part of the man page: -i, –input=MODE adjust standard input stream buffering -o, –output=MODE adjust standard output stream buffering -e, –error=MODE adjust standard error stream buffering If MODE is ‘L’ the corresponding stream will be line buffered. This option is invalid with standard … Read more
Find only regular files under current directory, and print them without “./” prefix: find -type f -printf ‘%P\n’ From man find, description of -printf format: %P Â Â File’s name with the name of the command line argument under which it was found removed.
Why not just use rm -rf /some/dir? That will remove the directory if it’s present, otherwise do nothing. Unlike rm -r /some/dir this flavor of the command won’t crash if the folder doesn’t exist.
You are actually piping rm‘s output to the input of find. What you want is to use the output of find as arguments to rm: find -type f -name ‘*.sql’ -mtime +15 | xargs rm xargs is the command that “converts” its standard input into arguments of another program, or, as they more accurately put … Read more
Try gnuplot. It has very powerful graphing possibilities. It can output to your terminal in the following way: gnuplot> set terminal dumb Terminal type set to ‘dumb’ Options are ‘feed 79 24’ gnuplot> plot sin(x) 1 ++—————-**—————+—-**———–+——–**—–++ + *+ * + * * + sin(x) ****** + 0.8 ++ * * * * * * … Read more